Pequannock, NJ: High Radon Risk — 30/100 (2026)
1 ZIP code · 1 water system · Updated 2026-06-03
Monitoring data across Pequannock reveals a persistent pattern of below-average compliance in NJ — multiple service areas carry documented health violations, and the data has shown little overall improvement over recent EPA reporting cycles.
How Pequannock Compares
Data: EPA SDWIS Last verified: 2026-06-03
What You Should Know About Pequannock Water
- Homes built before 1986: 90% — older plumbing may contain lead solder.
- Estimated remediation: $3,600 per household.
- CDC health risk index: 9.89.
Who Supplies Your Water in Pequannock
Because residential water in Pequannock, NJ flows primarily through a single utility, infrastructure decisions, rate-setting, and EPA compliance are all managed within one organizational structure. Federal records show 1 system active in the area, but one provider dominates the service landscape for most homes and apartments.
Overview
We track water quality and home safety data for 1 ZIP code in Pequannock, New Jersey (population ~4,810), covering 1 community water system serving approximately 14,010 people region-wide.
No EPA violations recorded across any ZIP codes in Pequannock — an excellent indicator of water quality.
Home Safety Score
Average Home Safety Score for Pequannock: F (30/100)
The score combines three factors:
| Factor | What It Measures |
|---|---|
| Water Quality | EPA violations and compliance history |
| Lead Levels | 90th percentile lead concentration vs EPA action level |
| Radon Risk | EPA radon zone classification |
Water Sources
Pequannock water systems draw from: Surface water.
Lead & Copper
- Lead data: not yet available for Pequannock
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
Dominant radon zone: Zone 1 (High Risk)
The EPA recommends testing homes in Zone 1 and Zone 2 areas for radon.
Areas with No Violations
| ZIP Code | Safety Score | System | Population |
|---|---|---|---|
| 07440 | F | PEQUANNOCK TWP WATER DEPARTMENT | 14,010 |
All ZIP Codes in Pequannock
- 07440 [F]
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Lead/copper: EPA Lead and Copper Rule sampling data
- Radon: EPA Map of Radon Zones
Updated daily.
Health Outcomes in Pequannock
Source: CDC PLACES (County-level estimates). Water contamination can correlate with respiratory and chronic health conditions.
Compared to National Average
Vertical line = national average. ■ Above national · ■ Below national
Housing & Infrastructure in Pequannock
With 90% of homes built before 1986, lead solder in plumbing is a potential concern. The EPA banned lead solder in 1986, but many older homes retain original plumbing.
Source: U.S. Census Bureau American Community Survey (ACS).
Housing Age Profile
Heavily weighted toward older construction, Pequannock's housing stock carries a median build year of 1966. That profile puts a majority of homes in the era when lead-soldered copper plumbing was standard practice.
Over half of homes in Pequannock were built before 1986, when lead solder was banned. Older plumbing may leach lead into drinking water, especially with corrosive water chemistry.
Source: U.S. Census Bureau ACS B25034.
Cost Context: What Remediation Means for Pequannock Homeowners
Equity impact data for Pequannock lands in the favorable tier — remediation claims a small slice of what properties here are worth.
Remediation costs in Pequannock are relatively low compared to home values. The $2,400–$4,800 estimated range is a small fraction of median property value. Home values are 6% above the New Jersey average.
Lead Exposure Risk for Children in Pequannock
Why children are most at risk: The CDC states there is no safe level of lead exposure for children. Children under 6 absorb lead more readily than adults, and even low levels can cause developmental delays, learning difficulties, and behavioral problems.
When older housing represents 90% of the local inventory or aggregate readings approach the federal action level, an in-home check becomes the standard way to translate citywide averages into the specific reality of an individual Pequannock address.
Sources: EPA Lead and Copper Rule, U.S. Census Bureau ACS, CDC childhood lead poisoning prevention guidelines.
Flood & Climate Risk in Pequannock
FEMA data places 100% of Pequannock's ZIP codes inside designated flood zones, and the NFIP claim record confirms the real-world impact: 1428 filed claims representing decades of documented flood events with consequences for property and, at sufficient severity, for local water infrastructure.
Pequannock has a significant flood history with 1,428 FEMA flood insurance claims on record, averaging $24,453 per claim. With 100% of ZIP codes in FEMA-designated flood zones, flood risk is a major concern for homeowners and water quality.
How flooding affects water quality: Flood events can introduce sewage, agricultural runoff, and industrial chemicals into water supplies. Even after floodwaters recede, contamination can persist in wells and aging infrastructure. Flood damage can add significantly to the estimated <strong>$3,600</strong> remediation cost per household.
Residents in flood-prone areas should consider flood insurance even outside FEMA zones — over 25% of flood claims come from low-to-moderate risk areas. After any flood event, test your water before drinking.
Source: FEMA National Flood Insurance Program (NFIP) claims data, FEMA flood zone designations.
What You Can Do in Pequannock
- Test your water at home. City-level data shows averages — your tap may differ. NSF-certified test kits cost $20-40 and give results in days.
- Install a certified water filter. An NSF-certified pitcher or under-sink filter removes most common contaminants.
- Check your home's plumbing. With 90% of homes built before 1986, lead solder is a real possibility.
- Review your water system's CCR. Your utility publishes an annual Consumer Confidence Report with detailed test results. Request it or find it online.
Deep Dive Reports
Detailed analysis for Pequannock, NJ